General

  • Target

    JaffaCakes118_8d496d4cd90fc4f686e2fe25a2a12e29

  • Size

    14.7MB

  • Sample

    250108-fxfngaxrcl

  • MD5

    8d496d4cd90fc4f686e2fe25a2a12e29

  • SHA1

    af7136255b04e8062ae6d91315d25db19b817339

  • SHA256

    2beb5b451168718338d33ee3110dc770a0a3886f9fc72c636411a117c6fbd196

  • SHA512

    80b3981ac60e97c01835259dbcc79a20b3559baabeb134c3b5e32bd5f6f4eb6659473886fb30f0358e3d32def0e3ac4aaa7ba8a5a94733c53be3f2b6e3625523

  • SSDEEP

    1536:TVZK1I9rn2BHELrWh9iuDdJm7CyY8rhGDNDxTWNdUhUFIq:XK1Mn2BHsrt4mYnrMdUh

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      JaffaCakes118_8d496d4cd90fc4f686e2fe25a2a12e29

    • Size

      14.7MB

    • MD5

      8d496d4cd90fc4f686e2fe25a2a12e29

    • SHA1

      af7136255b04e8062ae6d91315d25db19b817339

    • SHA256

      2beb5b451168718338d33ee3110dc770a0a3886f9fc72c636411a117c6fbd196

    • SHA512

      80b3981ac60e97c01835259dbcc79a20b3559baabeb134c3b5e32bd5f6f4eb6659473886fb30f0358e3d32def0e3ac4aaa7ba8a5a94733c53be3f2b6e3625523

    • SSDEEP

      1536:TVZK1I9rn2BHELrWh9iuDdJm7CyY8rhGDNDxTWNdUhUFIq:XK1Mn2BHsrt4mYnrMdUh

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks